IBM Full Stack Developer Interview Questions, Process, and Tips

Q1. Tell about design pattern
Ans. 
Design patterns are reusable solutions to common problems in software design.
• Design patterns help in creating maintainable, scalable, and efficient code.

• Some common design patterns include Singleton, Factory, Observer, and Strategy.

• Design patterns can be categorized into three main groups: creational, structural, and behavioral.
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Q2. Functional Overloading vs function overriding
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Functional overloading involves multiple functions with the same name but different parameters, while function overriding involves a subclass providing a specific implementation for a method in its superclass.
• Functional overloading allows multiple functions with the same name but different parameters.

• Function overriding occurs in inheritance when a subclass provides a specific implementation for a method in its supercl...read more
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Q3. What is hoisting in Java script
Ans. 
Hoisting in JavaScript is a behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
• Variable declarations are hoisted to the top of their scope, but not their initializations.

• Function declarations are fully hoisted, including their definitions.

• Hoisting can lead to unexpected behavior if not understood properly.
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Q4. What is memonisation
Ans. 
Memoization is a technique used in computer science to store the results of expensive function calls and return the cached result when the same inputs occur again.
• Memoization helps in improving the performance of a program by reducing redundant calculations.

• It is commonly used in dynamic programming to optimize recursive algorithms.

• Example: Fibonacci sequence calculation can be optimized using memoization to store prev
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Q5. What is promise, closure ?
Ans. 
A promise is an object representing the eventual completion or failure of an asynchronous operation. A closure is a function defined within another function that has access to its parent function's scope.
• Promise is used to handle asynchronous operations in JavaScript.

• Promises can be in one of three states: pending, fulfilled, or rejected.

• Closures allow functions to access variables from their parent function even after...read more
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Q6. Difference between == && ===
Ans. 
== is used for equality comparison, while === is used for strict equality comparison.
• == checks for equality of values, while === checks for equality of values and data types.

• == can perform type coercion, while === does not.

• == is less strict than ===.

• Example: 1 == '1' returns true, but 1 === '1' returns false.
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Php, java, HTML, SQL, NODE js

Q1. Html, css,javascript
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Q2. Php, Node.js html, css
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Q3. Bootstrap 5 , python,
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Q1. Tell me about yourself
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Normal questions aptitude

Java questions n 2 codes

Q1. Related to resume n java
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Q1. In depth Technical from managerial perspective
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Q1. Mostly related to Project tech which i mentioned
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Q1. Why are you looking for a job change in your early stages
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